A metre scale is balanced on a knife edge at its centre. When a mass of 10 kg is kept at the 12 cm mark, the scale is balanced at 45 cm. What is the mass of the metre scale?

A metre scale is balanced on a knife edge at its centre. When a coin of mass 15 g is kept at the 12 cm mark, the scale is found to be balanced at 45 cm. What is the mass of the metre scale?

A metre stick is balanced on a knife edge at its centre. When two coins, each of mass 5 g are put one on of the other at the 12 cm mark, the stick is found to balanced at 45 cm . The mass of the metre stick is.

A metre stick is balanced on a knife edge at its centre. When two coins, each of mass 5 g are put one on of the other at the 12 cm mark, the stick is found to balanced at 45 cm . The mass of the metre stick is.

A metre stick is balanced on a knife edge at its centre. When two coins, each of mass 5 g are put one on top of the other at the 12.0 cm mark, the stick is found to be balanced at 45.0 cm. What is the mass of the metre stick?

A metre stick is balanced on a knife edge at its centre. When two coins, each of mass 5 g are put one on top of the other at the 12.0 cm mark, the stick is found to be balanced at 45.0 cm. What is the mass of the metre stick?

A metre stick is balanced on a knife edge at its centre. When two coins, each of mass 5 g are put one on top of the other at the 12.0 cm mark, the stick is found to be balanced at 45.0 cm. What is the mass of the metre stick?